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Therapeutic ultrasound

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https://www.readbyqxmd.com/read/27914184/the-potential-use-of-ultrasound-magnetic-resonance-imaging-fusion-applications-in-musculoskeletal-intervention
#1
Christopher J Burke, Jenny Bencardino, Ronald Adler
We sought to assess the potential use of an application allowing real-time ultrasound spatial registration with previously acquired magnetic resonance imaging in musculoskeletal procedures. The ultrasound fusion application was used to perform a range of outpatient procedures including piriformis, sacroiliac joint, pudendal and intercostal nerve perineurial injections, hamstring-origin calcific tendonopathy barbotage, and 2 soft tissue biopsies at our institution in 2015. The application was used in a total of 7 procedures in 7 patients, all of which were technically successful...
December 3, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27913330/ex-vivo-hifu-experiments-using-a-32-times-32-element-cmut-array
#2
Hyo-Seon Yoon, Chienliu Chang, Ji Hoon Jang, Anshuman Bhuyan, Jung Woo Choe, Amin Nikoozadeh, Ronald D Watkins, Douglas N Stephens, Kim Butts Pauly, Butrus T Khuri-Yakub
High-intensity focused ultrasound (HIFU) has been used as noninvasive treatment for various diseases. For these therapeutic applications, capacitive micromachined ultrasonic transducers (CMUTs) have advantages that make them potentially preferred transducers over traditional piezoelectric transducers. In this paper, we present the design and the fabrication process of an 8 ×8 -mm (2) 32 ×32 -element 2-D CMUT array for HIFU applications. To reduce the system complexity for addressing the 1024 transducer elements, we propose to group the CMUT array elements into eight HIFU channels based on the phase delay from the CMUT element to the targeted focal point...
December 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27913213/enhanced-efficacy-of-combination-heat-shock-targeted-polymer-therapeutics-with-high-intensity-focused-ultrasound
#3
Nick Frazier, Allison Payne, Christopher Dillon, Nithya Subrahmanyam, Hamidreza Ghandehari
Combination of polymer therapeutics and hyperthermia has been shown to enhance accumulation in selectively heated tumor tissue. The additional use of heat shock (HS)-targeting towards tumor tissues can further enhance accumulation and retention, and improve therapeutic outcomes. In this work, high intensity focused ultrasound (HIFU) was used to generate hyperthermia in prostate tumor tissue. Upregulation of the cell surface HS receptor glucose regulated protein 78kDa (GRP78) was observed after treatment with HIFU hyperthermia which was then targeted by specific HS-targeting peptides...
November 29, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27912196/nox-isoforms-in-the-development-of-abdominal-aortic-aneurysm
#4
Kin Lung Siu, Qiang Li, Yixuan Zhang, Jun Guo, Ji Youn Youn, Jie Du, Hua Cai
Oxidative stress plays an important role in the formation of abdominal aortic aneurysm (AAA), and we have recently established a causal role of uncoupled eNOS in this severe human disease. We have also shown that activation of NADPH oxidase (NOX) lies upstream of uncoupled eNOS. Therefore, identification of the specific NOX isoforms that are required for eNOS uncoupling and AAA formation would ultimately lead to novel therapies for AAA. In the present study, we used the Ang II infused hph-1 mice to examine the roles of NOX isoforms in the development of AAA...
November 19, 2016: Redox Biology
https://www.readbyqxmd.com/read/27911934/efficacy-of-noninvasive-stellate-ganglion-blockade-performed-using-physical-agent-modalities-in-patients-with-sympathetic-hyperactivity-associated-disorders-a-systematic-review-and-meta-analysis
#5
Chun-De Liao, Jau-Yih Tsauo, Tsan-Hon Liou, Hung-Chou Chen, Chi-Lun Rau
BACKGROUND: Stellate ganglion blockade (SGB) is mainly used to relieve symptoms of neuropathic pain in conditions such as complex regional pain syndrome and has several potential complications. Noninvasive SGB performed using physical agent modalities (PAMs), such as light irradiation and electrical stimulation, can be clinically used as an alternative to conventional invasive SGB. However, its application protocols vary and its clinical efficacy remains controversial. This study investigated the use of noninvasive SGB for managing neuropathic pain or other disorders associated with sympathetic hyperactivity...
2016: PloS One
https://www.readbyqxmd.com/read/27911488/hepatocellular-carcinoma-as-an-emerging-morbidity-in-the-thalassemia-syndromes-a-comprehensive-review
#6
REVIEW
Hassan M Moukhadder, Racha Halawi, Maria Domenica Cappellini, Ali T Taher
The incidence of hepatocellular carcinoma (HCC) in patients with thalassemia is on the rise. The 2 well recognized HCC risk factors in thalassemia are iron overload and chronic viral infection with hepatitis C. The carcinogenicity of iron is related to its induction of oxidative damage, which results in genotoxicity, and to immunologic dysregulation, which attenuates cancer immune surveillance. Chronic hepatitis B and C infections lead to necroinflammation, which can prompt progression to HCC, but an independent role of hepatitis B virus in hepatic carcinogenesis among patients with thalassemia has not been demonstrated...
December 1, 2016: Cancer
https://www.readbyqxmd.com/read/27911406/ultrasound-guided-botulinum-toxin-a-injections-a-method-of-treating-sialorrhea
#7
Pierangelo Barbero, Marco Busso, Carlo Alberto Artusi, Stefania De Mercanti, Marco Tinivella, Andrea Veltri, Luca Durelli, Marinella Clerico
Neurological diseases can be complicated by sialorrhea, an excessive flow of saliva. Patients suffering from moderate to severe sialorrhea have an impaired quality of life, often worsened by correlated complications such as aspiration pneumonia, oral infections, dental caries, and maceration of the skin. Diverse therapeutic approaches have been proposed for the treatment of sialorrhea, including surgery and the use of anticholinergic agents, with limited results and the possible occurrence of serious adverse events...
November 9, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27908182/prostate-deformation-from-inflatable-rectal-probe-cover-and-dosimetric-effects-in-prostate-seed-implant-brachytherapy
#8
Jun Lian, Yeqin Shao, Larry D Potter, Ronald C Chen, Jordan A Holmes, Eleanor A Pryser, Jie Shen, Dinggang Shen, Andrew Z Wang
PURPOSE: Prostate brachytherapy is an important treatment technique for patients with localized prostate cancer. An inflatable rectal ultrasound probe cover is frequently utilized during the procedure to adjust for unfavorable prostate position relative to the implant grid. However, the inflated cover causes prostate deformation, which is not accounted for during dosimetric planning. Most of the therapeutic dose is delivered after the procedure when the prostate and surrounding organs-at-risk are less deformed...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906709/looking-closer-at-acute-respiratory-distress-syndrome-the-role-of-advanced-imaging-techniques
#9
Giacomo Bellani, Jean-Jaques Rouby, Jean-Michel Constantin, Antonio Pesenti
PURPOSE OF REVIEW: Advanced imaging techniques have provided invaluable insights in understanding of acute respiratory distress syndrome (ARDS) and the effect of therapeutic strategies, thanks to the possibility of gaining regional information and moving from simple 'anatomical' information to in-vivo functional imaging. RECENT FINDINGS: Computed tomography (CT) led to the understanding of several ARDS mechanisms and interaction with mechanical ventilation. It is nowadays frequently part of routine diagnostic workup, often leading to treatment changes...
November 30, 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27905968/monitoring-the-prevalence-of-thyroid-disorders-in-the-adult-population-of-northeast-germany
#10
Rehman Mehmood Khattak, Till Ittermann, Matthias Nauck, Harald Below, Henry Völzke
BACKGROUND: Only a few studies like ours have investigated the effect of long-term stable iodine supply on thyroid disorders in a historically iodine-deficient population, but not with a long follow-up time of 10 years. METHODS: Data were derived from two independent population-based cohorts of the Study of Health in Pomerania (SHIP-0 [1997-2001] and SHIP-TREND [2008-2012]) comprising 4308 and 4420 subjects, respectively. Diagnosed thyroid disorders were assessed...
November 8, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905299/lack-of-an-apparent-role-for-endothelin-1-in-the-prolonged-reduction-in-renal-perfusion-following-severe-unilateral-ischemia-reperfusion-injury-in-the-mouse
#11
Erika I Boesen
Therapeutic approaches to block the progression from acute kidney injury to chronic kidney disease are currently lacking. Endothelin-1 (ET-1) is a powerful vasoconstrictor, induced by hypoxia, and previously implicated in renal ischemia-reperfusion (IR) injury. This study tested the hypothesis that blunting the vascular influence of ET-1, either through endothelin ETA receptor blockade (ABT-627) or vascular endothelial cell deletion of ET-1 (VEET KO), would improve recovery of renal perfusion and repair of injury following a severe ischemic insult in mice (45 min unilateral renal ischemia)...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27904945/-sarcoidosis-and-uveitis-an-update
#12
REVIEW
J G Garweg
Ocular involvement in sarcoidosis is present in up to one third of patients and is frequently manifested before the underlying systemic disease has been diagnosed. With a view to the therapeutic consequences an early diagnosis of the underlying disease is advantageous. In cases of visual loss early diagnostic measures include invasive procedures, such as ultrasound-guided bronchoalveolar lavage and transbronchial biopsy, if nodular conjunctival or cutaneous manifestations which would confirm the diagnosis are not present...
November 30, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27900863/-symptomatic-and-asymptomatic-primary-hyperparathyroidism-in-outpatient-care-current-issues
#13
Helena Šiprová, Miroslav Souček, Zdeněk Fryšák, Květoslav Šipr
OBJECTIVE: To assess the diagnostic and therapeutic options in the care of patients with primary hyperparathyreosis in outpatient practice.Cohort and methods: The study included all the patients with primary hyperparathyroidism treated at the 2nd Internal Medicine Department, Masaryk University and the University Hospital of St. Anne in Brno in the period from Jan 1, 2008 to Dec 31, 2013. The sample consisted of 218 patients, including 41 men and 177 women. Patients with secondary hyperparathyroidism, especially patients with underlying hypovitaminosis D, renal insufficiency and those taking medications with possible effects on parathyroid hormone levels, have not been included in the study...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27899313/prognostic-factors-for-assisted-reproductive-technology-in-women-with-endometriosis-related-infertility
#14
Chloé Maignien, Pietro Santulli, Vanessa Gayet, Marie-Christine Lafay-Pillet, Diane Korb, Mathilde Bourdon, Louis Marcellin, Dominique de Ziegler, Charles Chapron
BACKGROUND: Assisted reproductive technology is one of the therapeutic options offered for managing endometriosis-associated infertility. Yet, published data on assisted reproductive technology outcome in women affected by endometriosis are conflicting and the determinant factors for pregnancy chances unclear. OBJECTIVE: To evaluate assisted reproductive technology outcomes in a series of 359 endometriosis patients, to identify prognostic factors and determine if there is an impact of the endometriosis phenotype...
November 26, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27894187/endoscopic-ultrasound-guided-pancreatobiliary-endoscopy-in-surgically-altered-anatomy
#15
REVIEW
Pichamol Jirapinyo, Linda S Lee
Endoscopic retrograde cholangiopancreatography (ERCP) has become the mainstay of therapy for pancreatobiliary diseases. While ERCP is safe and highly effective in the general population, the procedure remains challenging or impossible in patients with surgically altered anatomy (SAA). Endoscopic ultrasound (EUS) allows transmural access to the bile or pancreatic duct (PD) prior to ductal drainage using ERCP-based techniques. Also known as endosonography-guided cholangiopancreatography (ESCP), the procedure provides multiple advantages over overtube-assisted enteroscopy ERCP or percutaneous or surgical approaches...
November 2016: Clinical Endoscopy
https://www.readbyqxmd.com/read/27892760/microbubble-mediated-ultrasound-drug-delivery-and-therapeutic-monitoring
#16
Charles A Sennoga, Emma Kanbar, Laurent Auboire, Paul-Armand Dujardin, Damien Fouan, Jean-Michel Escoffre, Ayache Bouakaz
Recent developments in ultrasound imaging and ultrasound contrast agents (UCAs) improved diagnostic confidence in echography and set into motion their combined use as a tool for drug delivery and therapeutic monitoring. Non-invasive, precise and targeted delivery of drug molecules to pathological tissues by employing different mechanisms of drug release is becoming feasible. Areas covered: We sought to describe: the nature and features of UCAs; outline current contrast-specific imaging modes; before describing a variety of strategies for using ultrasound and microbubbles as a drug delivery system...
November 28, 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27891265/a-unique-case-of-pancreatic-mass-due-to-pancreatic-elastofibromatosis
#17
Abhinav Goyal, Deepanshu Jain, Ishfaq Bhat, Shailender Singh
Elastofibroma is a benign tumor of the musculoskeletal system characterized by the abnormal accumulation of elastinophilic fibers. It has been classically described for subscapular region but has been reported in several musculoskeletal sites over the years and rarely even in the GI tract but never in pancreas. We therefore present the case of a 45-year-old female who presented with intermittent abdominal pain. CT of abdomen revealed 1.4 cm pancreatic neck lesion without peripancreatic lymphadenopathy. Endoscopic ultrasound (EUS) guided FNA was nondiagnostic...
2016: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/27889688/management-of-distal-deep-vein-thrombosis
#18
REVIEW
Helia Robert-Ebadi, Marc Righini
Isolated distal deep vein thrombosis (DVT), also known as calf DVT, represents up to 50% of all lower limb DVT in ultrasound series and is therefore a frequent medical condition. Unlike proximal DVT and pulmonary embolism (PE), which have been extensively studied and for which management is well standardized, much less is known on the optimal management of isolated calf DVT. Recent data arising from registries and non-randomized studies suggest that most distal DVTs do not extend to the proximal veins and have an uneventful follow-up when left untreated...
November 10, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27888870/latest-advances-in-pancreatic-tumours
#19
José Lariño Noia
Pancreatic cancer continues to have a bleak prognosis. Hardly any therapeutic advances have been made in the last few years and consequently most efforts have focused on preventing its development and on diagnosing precursor lesions. In this regard, the use of statins as a preventive factor and the implementation of screening programmes in high-risk patients are gaining ground. In the field of treatment, there is greater focus on the role of neoadjuvant therapy in pancreatic cancer and on a multimodal approach to the disease, with few advances in effective novel therapies...
September 2016: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/27888788/alternate-hot-and-cold-application-in-the-management-of-heel-pain-a-pilot-study
#20
Dhananjay Arankalle, Jon Wardle, Pradeep M K Nair
BACKGROUND: Despite a long-standing tradition of naturopathic physical therapy and hydrotherapy use in the treatment of musculoskeletal conditions, neither naturopathy, nor specific aspects of hydrotherapy have been tested for efficacy in the treatment of heel pain. METHODS: Patients (n=20) were assigned to standard naturopathic physiotherapy care (NPC) with two adjuvant therapy groups: a control group (therapeutic ultrasound, n=10), or alternating compresses (n=10)...
September 19, 2016: Foot
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